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Cheesy Gruyere Potatoes Recipe

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4.4 from 72 reviews

Cheesy Gruyere Potatoes are a comforting and indulgent side dish featuring tender Yukon gold potatoes baked in a creamy, savory Gruyere cheese sauce enriched with butter, shallots, garlic, and fresh thyme. This dish offers a perfect balance of creamy textures and rich flavors, ideal for holiday dinners or cozy family meals.

Ingredients

Potatoes

  • 3 pounds Yukon gold potatoes, roughly peeled and diced into 1-inch pieces

Sauce

  • 1/4 cup unsalted butter
  • 3/4 cup diced shallot (about 2 shallots)
  • 1 clove garlic, minced
  • 1 teaspoon minced fresh thyme
  • 1/4 cup unbleached all-purpose flour
  • 1/2 cup low-sodium chicken broth
  • 1/2 cup whole milk
  • 1 cup full fat sour cream
  • 1 teaspoon kosher salt
  • 1/4 to 1/2 teaspoon freshly ground black pepper

Cheese

  • 2 cups shredded Gruyere cheese

Instructions

  1. Prepare the potatoes: Peel the Yukon gold potatoes roughly and dice them into 1-inch pieces to ensure even cooking and tender texture.
  2. Sauté shallots and garlic: In a large skillet, melt 1/4 cup unsalted butter over medium heat. Add the diced shallots and cook until softened and translucent, about 3-4 minutes. Stir in the minced garlic and fresh thyme and sauté for another minute until fragrant.
  3. Create the roux: Sprinkle 1/4 cup all-purpose flour over the shallot mixture. Stir constantly for about 1-2 minutes to cook out the raw flour taste and form a paste.
  4. Add liquids: Gradually whisk in 1/2 cup low-sodium chicken broth and 1/2 cup whole milk, cooking continuously until the sauce thickens and becomes smooth, about 3-5 minutes.
  5. Combine sour cream and season: Remove the sauce from heat and stir in 1 cup full fat sour cream, 1 teaspoon kosher salt, and 1/4 to 1/2 teaspoon freshly ground black pepper to taste. Mix well.
  6. Mix potatoes and sauce: Add the diced potatoes to a large baking dish and pour the creamy sauce over them. Stir gently to coat all potatoes evenly.
  7. Add Gruyere cheese: Sprinkle 2 cups shredded Gruyere cheese evenly over the potato and sauce mixture.
  8. Bake the dish: Preheat your oven to 375°F (190°C). Place the baking dish in the oven and bake uncovered for about 45-55 minutes, or until the potatoes are tender and the cheese on top is golden and bubbly.
  9. Serve: Remove from the oven and let it cool slightly before serving. This dish pairs beautifully with roasted meats or as a hearty vegetarian main course.

Notes

  • Yukon gold potatoes are preferred because of their creamy texture, but russet potatoes can be used as an alternative.
  • If you want a thicker sauce, bake longer uncovered to allow more moisture to evaporate.
  • Fresh thyme can be substituted with dried thyme, using about 1/3 teaspoon.
  • For a vegetarian version, substitute chicken broth with vegetable broth.
  • Allow the dish to rest 10 minutes after baking for the sauce to set and flavors to meld.